BRASKEM S A

Ticker: BAK CUSIP: 105532105 Class: ADR

BOKF, NA's Holding History (CIK: 0000009634)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019
Shares 59,101 Value ($000) $1,526 Avg Close — Range —
Q4 2018
Shares 16,248 Value ($000) $397 Avg Close — Range —
Q3 2018
Shares 17,640 Value ($000) $509 Avg Close — Range —